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Finding the Fourth Proportional to 267,193.71, 368,727.80 and 144,687.42

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Solution

The fourth proportional to 267,193.71, 368,727.80 and 144,687.42 is: 199,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,193.71 : 368,727.80 = 144,687.42 : x
  2. Step 2: Convert to fraction form
    267,193.71/368,727.80 = 144,687.42/x
  3. Step 3: Cross multiply
    267,193.71x = 368,727.80 × 144,687.42
  4. Step 4: Simplify right side
    267,193.71x = 53,350,273,340.84
  5. Step 5: Solve for x
    x = 53,350,273,340.84/267,193.71
  6. Step 6: Final answer
    x = 199,668.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.